Feature
- Earth
Limiting Dead Zones
To limit algal blooms and the development of fishless dead zones in coastal waters, farmers and other sources of nitrate are investigating novel strategies to control nitrate runoff.
- Math
Theorems for Sale
In April, an eBay auction offered math enthusiasts the rare opportunity of linking their names with one of the most famous mathematicians of the 20th century.
- Materials Science
Nice Threads
Once researchers figure out how to spin strong fibers out of carbon nanotubes, real-world applications such as long-distance power-transmission cables, lightweight aircraft materials, and electronic textiles become feasible.
- Earth
Dead Waters
Coastal dead zones—underwater regions where oxygen concentrations are too low for fish to survive—are mushrooming globally, threatening to transform entire ecosystems.
